We've all been there. Whether you're down the K-Pop rabbit hole on YouTube or playing games at work, someone walks in and sees your screen, sees you doing something you shouldn't be doing, and the party's over. Or...is it?

Instructables have come up with this incredible mod that skins a LCD monitor and, with the help of some 3D glasses, lets only the wearer of those glasses see what's on the monitor.

There's instructions below. There will be fumes. But if you succeed, you will feel like a secret agent.